1234713881 has 4 divisors (see below), whose sum is σ = 1238078592. Its totient is φ = 1231349172.

The previous prime is 1234713877. The next prime is 1234713901. The reversal of 1234713881 is 1883174321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1234713881 - 2² = 1234713877 is a prime.

It is a super-2 number, since 2×1234713881² = 3049036735868164322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234710881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1681805 + ... + 1682538.

It is an arithmetic number, because the mean of its divisors is an integer number (309519648).

Almost surely, 2^1234713881 is an apocalyptic number.

It is an amenable number.

1234713881 is a deficient number, since it is larger than the sum of its proper divisors (3364711).

1234713881 is an equidigital number, since it uses as much as digits as its factorization.

1234713881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364710.

The product of its digits is 32256, while the sum is 38.

The square root of 1234713881 is about 35138.4957133910. The cubic root of 1234713881 is about 1072.8082638029.

The spelling of 1234713881 in words is "one billion, two hundred thirty-four million, seven hundred thirteen thousand, eight hundred eighty-one".